High school student Miruku lives with her bedridden grandfather on the countryside, and dreams of becoming a dancer. After some money goes missing at dance practice and Miruku's role in the group is compromised, her grandfather tells her about her mother, herself a famous dancer, and Miruku decides to go and find her in Tokyo.

While the Japanese army was plotting to make Manchuria an independent nation for strategic reasons, Kawashima Yoshiko, a beautiful woman disguised as a man, escorted Wanrong Fei, the wife of Emperor Puyi, who was dressed in a cheongsam, out of Tianjin and, while avoiding attacks from pursuers, led her to the hotel where Puyi was staying.